The correct match is

1.	The correct match is
Answer» `{:(A,B,C,D),(3,5,2,1):}` `{:(A,B,C,D),(2,3,4,5):}` `{:(A,B,C,D),(1,2,5,3):}` `{:(A,B,C,D),(4,3,2,1):}` ANSWER :4

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